ASTM A269 stainless steel pipe specifications
ASTM A269 specifies the specifications for stainless steel seamless and welded pipes for general corrosion resistant applications. Here are some details about ASTM A269 stainless steel pipes:
Sizes and Specifications
Outer Diameter (OD): From 1/8" (3.18mm) to 12" (304.8mm)
Wall Thickness (WT): From 0.035" (0.89mm) to 0.500" (12.70mm), depending on the outer diameter of the pipe and the application requirements
Mechanical properties
Steel Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2 (min) | Elongation, % (min) |
TP304 | 515 | 205 | 35 |
TP304L | 485 | 170 | 35 |
TP316 | 515 | 205 | 35 |
TP316L | 485 | 170 | 35 |
TP321 | 515 | 205 | 35 |
Chemical Composition
Steel Grade | C(%, max) | Si(%, max) | Mn | Cr | Ni | Mo | S | P |
TP304 | 0,08 | 0,75 | 2 | 18 - 20 | 8 - 11 | - | 0,03 | 0,04 |
TP304L | 0,035 | 0,75 | 2 | 18 - 20 | 8 - 13 | - | 0,03 | 0,04 |
TP316 | 0,08 | 0,75 | 2 | 16 - 18 | 11 - 14 | 2 - 3 | 0,03 | 0,04 |
TP316L | 0,035 | 0,75 | 2 | 16 - 18 | 10 - 15 | 2 - 3 | 0,03 | 0,04 |
TP321 | 0,08 | 0,75 | 2 | 17 - 20 | 9 - 13 | - | 0,03 | 0,04 |
